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2012111111222 = 21121389722247
BaseRepresentation
bin11101010001111011001…
…010110000010000110110
321010100121111001001020222
4131101323022300100312
5230431300421024342
64140203500054342
7265240663152152
oct35217312602066
97110544031228
102012111111222
117063712a2a13
12285b63b343b2
1311798372cc84
146d55b152062
1537516399ed2
hex1d47b2b0436

2012111111222 has 8 divisors (see below), whose sum is σ = 3018435867216. Its totient is φ = 1005965822152.

The previous prime is 2012111111207. The next prime is 2012111111267. The reversal of 2012111111222 is 2221111112102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×20121111112222 (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2012111111222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44838698 + ... + 44883549.

It is an arithmetic number, because the mean of its divisors is an integer number (377304483402).

Almost surely, 22012111111222 is an apocalyptic number.

2012111111222 is a deficient number, since it is larger than the sum of its proper divisors (1006324755994).

2012111111222 is a wasteful number, since it uses less digits than its factorization.

2012111111222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89733462.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 2012111111222 its reverse (2221111112102), we get a palindrome (4233222223324).

The spelling of 2012111111222 in words is "two trillion, twelve billion, one hundred eleven million, one hundred eleven thousand, two hundred twenty-two".

Divisors: 1 2 11213 22426 89722247 179444494 1006055555611 2012111111222